1896.] Aquatic Fungi. 331 
Sapromerecs androgynus Thaxter. 
Fig. 17. Bisa of zoosporangia, two of t mpty 
Fig. 18. Oogonium during fertilization, before. the aatheridial fila- 
ment “a ne twisted. 
ig. 1 oup e two oogonia with mature oospores and twisted 
antheridial ee 
Araiospora pulchra Thaxter. 
Fig. 20. General habit of an oosporiferous plant of medium size. 
Wig. 21. Terminal portion of a basal ce bearing several filaments 
ot oogonia and both varieties Hs inne 
g. 24. Segment eas aera an dilation. segment and two seve 
he seen in “ped go amy 3 faa pgg as in surface view 
 #aNote. The figures are pte tee from ink drawings and r 
duced about Sek thicn from the 5. nals. The os ieee! magoideatons in in 
diameters are as follows: Figs. 1 , X50. Figs 4, 16,2 
Bho 24, x 240, Figs. 6 to 15, if 3 x 320. Fig. 25, X 
